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Finding the Fourth Proportional to 3,158.22, 4,737.57 and 967.11

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Solution

The fourth proportional to 3,158.22, 4,737.57 and 967.11 is: 1,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.22 : 4,737.57 = 967.11 : x
  2. Step 2: Convert to fraction form
    3,158.22/4,737.57 = 967.11/x
  3. Step 3: Cross multiply
    3,158.22x = 4,737.57 × 967.11
  4. Step 4: Simplify right side
    3,158.22x = 4,581,751.32
  5. Step 5: Solve for x
    x = 4,581,751.32/3,158.22
  6. Step 6: Final answer
    x = 1,450.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.